1 // Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
4 import org.ibex.util.*;
8 /** A JS interface to a Java '.properties' file; very crude */
9 public class PropertyFile extends JS {
11 private final Properties p = new Properties();
12 private final Hash cache = new Hash(10, 3);
15 private class Minion extends JS {
16 private final String prefix;
17 Minion(String prefix) { this.prefix = prefix; }
18 public Number coerceToNumber() { return N(coerceToString()); }
19 public Boolean coerceToBoolean() { return B(coerceToString().equals("true")); }
20 public String coerceToString() { return (String)p.get(prefix.substring(0, prefix.length() - 1)); }
21 public Enumeration keys() throws JSExn { throw new JSExn("PropertyFile.keys() not supported"); }
22 public Object get(Object key) throws JSExn {
23 if (toString(key).equals("")) return coerceToString();
24 Object ret = p.get(prefix + escape(toString(key)));
25 if (ret != null) return ret;
26 return new Minion(prefix + escape(toString(key)) + ".");
28 public void put(Object key, Object val) throws JSExn {
30 p.put(prefix + (prefix.equals("") ? "" : ".") + escape(toString(key)), toString(val));
31 File fnew = new File(f.getName() + ".new");
32 FileOutputStream fo = new FileOutputStream(fnew);
37 } catch (IOException e) { throw new JSExn(e); }
41 public static String escape(String s) {
42 return s.replaceAll("\\\\", "\\\\\\\\").replaceAll("\\.", "\\\\.").replaceAll("=","\\\\="); }
43 public PropertyFile(File f) throws IOException { this.f = f; this.p.load(new FileInputStream(f)); }
44 public void put(Object key, Object val) throws JSExn { new Minion("").put(key, val); }
45 public Enumeration keys() throws JSExn { return new Minion("").keys(); }
46 public Object get(Object key) throws JSExn {
47 Object ret = p.get(toString(key));
48 if (ret != null) return ret;
49 return new Minion(escape(toString(key)));